본 발명에 따른 자동차용 충돌 에너지 흡수 부품(1)은, 차체의 전부 또는 후부에 형성되고, 당해 차체의 전방 또는 후방으로부터 충돌 하중이 입력되었을 때에 충돌 에너지를 흡수하는 것으로서, 축압괴하여 충돌 에너지를 흡수하고, 천판부와 이에 이어지는 종벽부를 갖는 통 형상 부재(3)와, 통 형상 부재(3)의 적어도 천판부와 종벽부의 외면을 포함하는 제1외면에 도포 또는 첩부된 수지(9)를 갖고, 당해 도포 또는 첩부된 수지(9)는, 가열된 후의 두께가 8㎜ 이하로 폐단면 공간의 둘레벽부로서 적어도 당해 일부를 형성하고, 또한 10㎫ 이상의 접착 강도로 상기 제1외면에 접착되어 있다.
An automotive crashworthiness energy absorption part 1 according to the present invention is provided at a front part or a rear part of an automotive body and absorbs crashworthiness energy when receiving input of a crashworthiness load from the front or the rear of the automotive body and includes: a tubular member 3 configured to absorb crashworthiness energy by undergoing axial crush and including a top portion and side wall portions continuous with the top portion; and resin 9 coated or patched on at least outer surfaces of the top portion and the side wall portions of the tubular member 3. The coated or patched resin 9 has a thickness of 8 mm or less after being heated, forms at least part of a peripheral wall portion of a closed cross section space, and is bonded to the outer surfaces with an adhesive strength of 10 MPa or more.
AUTOMOTIVE CRASHWORTHINESS ENERGY ABSORPTION PART AND METHOD FOR MANUFACTURING THE SAME
자동차용 충돌 에너지 흡수 부품 및 그의 제조 방법
2023-11-13
Patent
Electronic Resource
Korean
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